package com.SoilMM.interceptor;


import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;


public class Interceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        String requestURI=request.getRequestURI();
        HttpSession session=request.getSession();
        if (session.getAttribute("loginUser")!=null)
        {
            return true;
        }
        request.setAttribute("msg","请先登录");
        request.getRequestDispatcher("/login").forward(request,response);
        return false;
    }
}
